(TXT) View Source
       
       # NEC TECHNOLOGIES, INC.
       
          POWERMATE  386/20
       
          Processor        80386DX                                       
          Processor Speed  20MHz                                         
          Chip Set         ETEQ                                          
          Max. Onboard     8MB (on system memory card)                   
          DRAM             
          Cache            None                                          
          Dimensions       330.2mm x 218.4mm                             
          BIOS             Phoenix                                       
          I/O Options      Serial ports (2), parallel port, floppy drive 
                           interface, proprietary system memory card,    
                           proprietary external memory card slot (on     
                           system memory card)                           
          NPU Options      80287/80387                                   
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Speaker          |    P1    | Floppy drive      |    P7    |
          |                  |          | interface         |          |
          |------------------+----------+-------------------+----------|
          | External battery |    P3    | Serial port 2     |   P10    |
          |------------------+----------+-------------------+----------|
          | Keylock          |    P4    | Turbo LED         |   P11    |
          |------------------+----------+-------------------+----------|
          | Parallel port    |    P5    | 32-bit external   |    S1    |
          |                  |          | memory card       |          |
          |------------------+----------+-------------------+----------|
          | Serial port 1    |    P6    |                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Manufacturer test mode    |     11L1      |    Open    |
          |   | disabled                  |               |            |
          |---+---------------------------+---------------+------------|
          |   | Manufacturer test mode    |     11L1      |   Closed   |
          |   | enabled                   |               |            |
          |---+---------------------------+---------------+------------|
          | » | Pipeline mode enabled     |     14L2      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Pipeline mode disabled    |     14L2      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Test mode disabled        |     19A1      |    Open    |
          |---+---------------------------+---------------+------------|
          |   | Test mode enabled         |     19A1      |   Closed   |
          |---+---------------------------+---------------+------------|
          | » | Floppy drive type select  |     23G1      | pins 1 & 2 |
          |   | single speed              |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Floppy drive type select  |     23G1      | pins 2 & 3 |
          |   | dual speed                |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/1     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/2     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/3     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/4     |     On     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Test mode switch disabled |     SW1/5     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Test mode switch enabled  |     SW1/5     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | DRAM speed select 0 wait  |     SW1/6     |     On     |
          |   | states                    |               |            |
          |---+---------------------------+---------------+------------|
          |   | DRAM speed select 1 wait  |     SW1/6     |    Off     |
          |   | state                     |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/9     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |    SW1/10     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select color |     SW2/1     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |     SW2/1     |    Off     |
          |   | monochrome                |               |            |
          |---+---------------------------+---------------+------------|
          | » | Floppy drive interface    |     SW2/2     |    Off     |
          |   | address select primary    |               |            |
          |---+---------------------------+---------------+------------|
          |   | Floppy drive interface    |     SW2/2     |     On     |
          |   | address select secondary  |               |            |
          |---+---------------------------+---------------+------------|
          | » | Floppy drive interface    |     SW2/3     |     On     |
          |   | enabled                   |               |            |
          |---+---------------------------+---------------+------------|
          |   | Floppy drive interface    |     SW2/3     |    Off     |
          |   | disabled                  |               |            |
          |---+---------------------------+---------------+------------|
          | » | Serial port 2 select COM2 |     SW2/4     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Serial port 2 disabled    |     SW2/4     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | Serial port 1 select COM1 |     SW2/5     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Serial port 1 disabled    |     SW2/5     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | System enabled            |     SW2/6     |     On     |
          |---+---------------------------+---------------+------------|
          |   | System disabled           |     SW2/6     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | NPU enabled               |     SW2/7     |     On     |
          |---+---------------------------+---------------+------------|
          |   | NPU disabled              |     SW2/7     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | NPU type select 80287     |     SW2/8     |    Off     |
          |---+---------------------------+---------------+------------|
          |   | NPU type select 80387     |     SW2/8     |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 NPU CONFIGURATION (80287)                  |
          |------------------------------------------------------------|
          |     Speed     |      19C1       |    19C2    | 19C3 (27F1) |
          |---------------+-----------------+------------+-------------|
          |    |  5.3MHz  |   pins 2 & 3    | pins 2 & 3 | pins 2 & 3  |
          |    |          |     closed      |   closed   |   closed    |
          |----+----------+-----------------+------------+-------------|
          |    |   8MHz   |   pins 1 & 2    | pins 1 & 2 | pins 2 & 3  |
          |    |          |     closed      |   closed   |   closed    |
          |----+----------+-----------------+------------+-------------|
          | »  |  10MHz   |   pins 1 & 2    | pins 1 & 2 | pins 1 & 2  |
          |    |          |     closed      |   closed   |   closed    |
          |------------------------------------------------------------|
          | Note:Depending on the revision # of the mainboad, the      |
          | board will have either jumper 19C3 or 27F1.                |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose                                  |    Location     |
          |------------------------------------------+-----------------|
          | Proprietary external memory card         |       S1        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |        P-0         |
          |------------------+--------------------+--------------------|
          |       2MB        |     (16) 44256     |     (8) 41256      |
          |------------------------------------------------------------|
          | Note:The locations of Bank 0 and P-0 are unidentifed.      |
          +------------------------------------------------------------+
       
 (IMG) IMG 3
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose                                  |    Location     |
          |------------------------------------------+-----------------|
          | Proprietary external memory card         |       S1        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |            8MB             |          (72) 44256           |
          +------------------------------------------------------------+